420712260 has 48 divisors (see below), whose sum is σ = 1247291136. Its totient is φ = 105590272.

The previous prime is 420712247. The next prime is 420712261. The reversal of 420712260 is 62217024.

It is a self number, because there is not a number n which added to its sum of digits gives 420712260.

It is not an unprimeable number, because it can be changed into a prime (420712261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205212 + ... + 207251.

It is an arithmetic number, because the mean of its divisors is an integer number (25985232).

Almost surely, 2^420712260 is an apocalyptic number.

It is an amenable number.

420712260 is an abundant number, since it is smaller than the sum of its proper divisors (826578876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420712260 is a wasteful number, since it uses less digits than its factorization.

420712260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412492 (or 412490 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 420712260 is about 20511.2715354266. The cubic root of 420712260 is about 749.3103348993.

Adding to 420712260 its reverse (62217024), we get a palindrome (482929284).

The spelling of 420712260 in words is "four hundred twenty million, seven hundred twelve thousand, two hundred sixty".